電液比例閥 的英文怎麼說

中文拼音 [diànyèbǐlìfá]
電液比例閥 英文
electro-hydraulic proportional valve
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 液 : 名詞（液體） liquid; fluid; juice
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 閥 : 名詞1 （指在某方面有支配勢力的人物或家族） established house or power group; a powerful person or...
  • 比例 : 1. （長度上縮小和放大的倍數） scale; scaling 2. （比率） proportion; ratio; proportionality
  1. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  2. The cooling system for engine adopted hydraulic drive and control technology to control the speed of the fan : the chip adjust the control - current of the proportional value, which used in the engine cooling system, to control the speed of the fan. and the size of the control - current is according to the coolant temperature, coolant temperature change rate and target temperature. as for as the hydraulic cooling system we used a motor to drive and control the fan ’ s work or stop according to the temperature of the hydraulic oil

    該系統的特點及其實現的功能為:電液混合驅動方式改變了工程機械冷卻裝置驅動方式單一的缺點，發動機冷卻系統採用了電液比例技術控制風扇轉速;單片機可以根據冷卻液溫度、冷卻液溫度變化率和目標冷卻液溫度調節液壓驅動系統中電液比例閥的控制電流，進而控制液壓油的流量，即可以實現冷卻風扇轉速的連續調節;液壓油冷卻系統採用了電動機驅動，然後由單片機根據液壓油的溫度控制電動機的起動和停止。
  3. The nonlinear problem is ubiquitous and is difficult to solve in electro - hydraulic servo system. it is caused by the throttling property, because of the existing of the servo valve, proportion valve and throttling valve, by the dead band, the back lash and so on

    非線性是電液伺服系統中普遍存在且至今沒有很好解決的問題，這些非線性主要由電液轉換和控制元件（伺服閥、比例閥或節流閥）的節流特性和液壓動力機構的滯環及死區等因素引起。
  4. The proportional flow valve control system is the most popular method among the control system of hydraulic elevators

    液壓電梯比例閥節流調速控制系統是目前液壓電梯中應用最廣泛的系統。
  5. The test platform adopts controlled system for silion controlled governing and electrohydraulic proportional relief valve loading to achieve the microcomputer controlled

    實驗臺採用可控硅直流電機控制轉速系統和電液比例溢流閥加載系統來實現被試泵的計算機控制。
  6. The proportional relief valve is used to adjust control the pressure of hydraulic oil, therefore controls the brake moment by adjusting the thickness of oil film

    用電液比例溢流閥對控制油壓進行調節，從而調節油膜的厚度來控制制動力矩。
  7. The respect drive system design : the servo valve commonly used in the closed - loop control system is replaced with the proportion direction valve, and controlled it with the methods of electrohydraulic proportional control. the system adopts the hydraulic circuits that prevent the simulating table letting down because it own weight take place

    驅動系統設計方面：用比例方向閥取代了液壓閉環控制系統中常用的伺服閥，採用電液比例技術對其進行控制，並在液壓油路中採用了防止因模擬轉臺自重而產生緩慢下滑的液壓迴路。
  8. Electro - hydraulic control principle applied in construction machinery is analyzed in this paper ; working principle and application characteristic of electro - hydraulic proportional is lucubrated ; technique and static characteristic of electro - hydraulic proportional decompression value and electro - hydraulic proportional direction value is emphatically analyzed and studied ; electro - hydraulic proportional control mode is setup. the hydraulic circuit which can be not only suit for handle operation but also for remote operation in the same construction machinery, and the hydraulic system design methods is also introduced that the proportion control use d for the steering devices and the working devices of the machine

    本文對工程機械上應用的電液控制原理進行了分析；對電液比例閥的工作原理和應用特點進行了深入研究；重點對電液比例減壓閥和電液比例方向閥技術特徵和靜態特性進行分析研究；建立電液比例控制模型；提出了在同一臺工程機械上，既能滿足遙控又能滿足手控的液壓迴路，以及採用比例量控制行駛和工作裝置的液壓系統設計方法。
  9. In chapter 2, the principle of electro - hydraulic proportional flow valve with speed - electric feedback applied in hydraulic elevators are analyzed

    第二章關于液壓電梯專用電液比例集成閥的原理方案的設計。
  10. Chapter 2 describes the working theory of the hydraulic elevator control system, and introduces the components of this system, especially the vsvii integrated valve, which could be regulated by the controller of single chip processor with flexible control strategy. also the mathematical models for the hydraulic elevator control system with vsv ii valve are derived and the simulation is made

    論文的第二章主要介紹採用轎廂速度反饋電液比例控制的液壓電梯的工作原理，分析了本課題所採用的控制系統的各個組成部分，特別介紹了本課題組自行研製的vsv型液壓電梯專用比例閥和計算機監測系統，並對液壓電梯速度控制系統進行了建模和模擬。
  11. The proportional flow valve control system with speed - electric feedback applied in hydraulic elevators can eliminate disturbances of nonlinear source such as oil temperature and load change. in this system, the proportional valve plays a key role

    採用轎廂速度一電大閉環反饋控制方法的電液比例閥控系統，可以排除油溫及負載變化等因素引起的非線性干擾，極大地提高了液壓電梯的工作性能。
  12. The friction effect between piston and wall of the cylinder is reduced by a compensating strategy on dead - area

    集礦頭上升和下降兩個方向的動態特性不一致，而且電液比例閥存在動作死區。
  13. And then, a method of load - flow low - pressure measurement was proposed in the light of the hydraulic - resistance theory of servo valve. the validity of the method was proved by the experimental results. therefore, the measurement of the characteristic of load - flow and no - load flow can be realized by using this method

    然後根據電液伺服閥的液橋理論提出了一種負載流量低壓測量方法，在所開發的測試系統上，利用電液比例閥模擬流量測量裝置對所提出的方法進行了試驗驗證，實現了利用低壓流量計和壓力傳感器進行電液伺服閥負載流量特性和空載流量特性的測量。
  14. Dcw proportional amplifier introduced in this paper is used in the double ways control system. it can control tow electromagnetic iron at the same time

    本論文所介紹的dc - w型雙向電液比例控制器是用於雙通道控制型比例閥中，可控制兩個比例電磁鐵。
  15. Experimental research on computer test system of electro - hydraulic proportional valve

    電液比例閥計算機自動檢測的試驗研究
  16. This project research mainly includes : consummate the design plan, hardware circuit design, software design, the match between control system and electromagnetic proportion, the anti - interference of control system, and etc. the hardware circuit design of singlechip control system mainly includes odd parts of enlarging circuit, a / d change circuit, d / a change circuit etc. adopt the module to design program in software design

    課題研究內容主要是包括:控制系統設計方案、控制系統硬體設計、軟體設計、系統抗干擾和電源電路設計。系統的硬體採用了模塊結構設計，主要是包括采樣模塊、主控制模塊、 a / d轉換模塊、 d / a轉換模塊、電液比例閥驅動模塊和電機驅動模塊等幾個部分組成。
  17. This constant - pressure hydraulic power adopts plvc4 programmable logical controller for valve to control the electro - hydraulic proportional relief valve to adjust the pressure at the entrance of the servo valve and makes it change with the pressure change at the exit thus to keep the pressure difference constant

    此恆壓油源採用閥用可編程式控制制器plvc4控制電液比例溢流閥調節伺服閥入口壓力，使其跟隨伺服閥出口壓力變化，達到入出口壓力差值恆定的目的。
  18. In order to solve the problems that large energy consumption, temperature variation, high, cost trouble maintenance in current electro - hydraulic servo control system for material testing machine, a new design scheme that electro - hydraulic proportional control system for material testing machine based on extension control strategy is proposed. the design scheme is successful by means of designing new main frame system, hydraulic cylinder system, digital electro - hydraulic micro - fluid proportional valve and electrical control system, and its results lay a foundation for material testing machine industries in our country

    針對國內外材料試驗機主要採用電液伺服控制系統，存在能耗大、溫升、成本高、維護困難等問題，本課題提出了基於可拓控制策略的材料試驗機電比例負載適應控制系統這一新型研究方案，通過開發新型試驗機主機系統、液壓缸系統、數字式微小流量電液比例流量閥及電控系統，實現了材料試驗機電液比例負載適應控制，為我國材料試驗機自動控制系統的產業化打下了基礎。
  19. As the demand for their high quality and good outline is increasing, the hydraulic control system of molding machine must be able to offer accurate pressure and flow control at the same time to its injection system

    集壓力、流量比例調節於一體的電液比例壓力流量復合控制閥（簡稱pq閥）以其復合程度高、控制性能好、節能等特點在注塑機液壓控制系統中得到了日益廣泛的應用。
  20. This paper presents a electrohydraulic proportional valve - control compensating synchro - system controlled by computer, introduces the hardware components and the principle of the valve - control compensating system, mainly discusses the modular design of the software in the controlling system

    摘要本文設計了一種計算機控制的電液比例閥控補償同步系統，主要介紹了閥控補償同步系統的硬體組成和工作原理，著重介紹了系統控制軟體的模塊設計。
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